HP Forum Archive 21

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HP-33S Display Quirk Message #1 Posted by Matt Agajanian on 14 May 2012, 10:01 p.m. Hi all. Yesterday, while I was using my 33S, I noticed a little speck (dust) on the display. So, as I removed it by lightly touching my finger to the display, like a sponge, I could remove the spec. As I did this, by the lit RPN annunciator, a black smudge (like ink or LCD material) appeared and dissipated. Has anyone experienced this? What is it and what does it mean?

Re: HP-33S Display Quirk Message #2 Posted by Dave on 14 May 2012, 11:13 p.m., in response to message #1 by Matt Agajanian All LCDs do that.

Re: HP-33S Display Quirk Message #3 Posted by Matt Agajanian on 14 May 2012, 11:42 p.m., in response to message #2 by Dave Okay. As I am more accustomed to cleaning dust off hard displays like a 25C, 32E, 67, I am not that familiar with how flexible the covering of LCD displays is. Plus, with all the chatter about the '35S Bug List', I just thought the 33S & 35S had design flaws too. Thanks for the clarification. Edited: 14 May 2012, 11:43 p.m.

Re: HP-33S Display Quirk Message #4 Posted by bill platt on 15 May 2012, 7:49 a.m., in response to message #3 by Matt Agajanian Some LCDs are covered wth glass or thick plastic "windows" physically separated from the lcd. In these cases, you won't get the "smudge" effect. You can get the "smudge" on your laptop, too, if you have one of the lightweight flexible screens.

Re: HP-33S Display Quirk Message #5 Posted by Michael de Estrada on 15 May 2012, 8:31 a.m., in response to message #4 by bill platt The 15C LE does this too.

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